http://www.cisco.com/c/en/us/td/docs/interfaces_modules/transceiver_modules/compatibility/matrix/GE_Tx_Matrix.html#_Toc487184246
say that Minimum Software Release Required for N3K-C3524P-10GX to support 1g SPF is NX-OS 6.0(3)A6(1)
But latest version ...